package com.button.boot.rabbitmq.manager;

import java.util.UUID;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.rabbit.support.CorrelationData;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import com.button.boot.rabbitmq.config.RabbitMqConfigure;

@Component
public class RabbitMqProducer implements RabbitTemplate.ConfirmCallback {
    private final Logger logger = LoggerFactory.getLogger(RabbitMqProducer.class);
    // 由于rabbitTemplate的scope属性设置为ConfigurableBeanFactory.SCOPE_PROTOTYPE，所以不能自动注入
    private RabbitTemplate rabbitTemplate;

    /**
     * 构造方法注入rabbitTemplate
     */
    @Autowired
    public void msgProducer(RabbitTemplate rabbitTemplate) {
        this.rabbitTemplate = rabbitTemplate;
        rabbitTemplate.setConfirmCallback(this); //rabbitTemplate如果为单例的话，那回调就是最后设置的内容
    }

    public void sendMsg(String content) {
        CorrelationData correlationId = new CorrelationData(UUID.randomUUID().toString());
        // 把消息放入ROUTINGKEY_A对应的队列当中去，对应的是队列A
        rabbitTemplate.convertAndSend(RabbitMqConfigure.EXCHANGE_A, RabbitMqConfigure.ROUTINGKEY_A, content, correlationId);
    }

    @Override
    public void confirm(CorrelationData correlationData, boolean ack, String cause) {
        logger.info("消息回调id={}", correlationData);
        if (ack) {
            logger.info("消息成功消费");
        } else {
            logger.info("消息消费失败,cause={}", cause);
        }
    }

}
